In my exhaustive 30 seconds of searching, I haven’t found this subject breached here, so I apologize if I am retreading a well-worn path.
This may not even be the correct venue. Surely, the moderators can kindly “move” this to the correct board or direct me to it.
This is a question of general advice. I am constantly having portal removal reports rejected, and in a few cases, I have posted exhaustive documentation here to demonstrate that I am not, in fact, just reporting invalid portals for my health.
It would be nice if, as in the case of portal submissions, one could simply upload a photo as evidence: this mural truly is gone, this paradise truly has been replaced by a parking lot, and so on.